(19)

(11)

EP 0 495 879 A1

(12)

(43) Date of publication: 29.07.1992 Bulletin 1992/31 (21) Application number: 90915783.0 (22) Date of filing: 09.10.1990

(51) International Patent Classification (IPC):  A61K 8/ 00( . ) A61K 31/ 195( . ) A61P 3/ 04( . ) A61K 8/ 42( . ) A61K 31/ 197( . ) A61P 25/ 04( . ) (86) International application number: PCT/GB1990/001547 (87) International publication number: WO 1991/004735 (18.04.1991 Gazette 1991/09)

(84) Designated Contracting States: DE FR IT (30) Priority: 09.10.1989 GB 19890022701 (71) Applicant: LEUNG, Lit-Hung Central Hong Kong (HK)	(72) Inventor: LEUNG, Lit-Hung Central Hong Kong (HK) (74) Representative: Bankes, Stephen Charles Digby  BARON & WARREN 18 South End Kensington London W8 5BU London W8 5BU (GB)